/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.apache.iotdb.commons.udf.builtin;

import org.apache.iotdb.commons.udf.builtin.String.*;

/**
 * All built-in UDFs need to register their function names and classes here.
 */
public enum BuiltinTimeSeriesGeneratingFunction {
    CONST("CONST", UDTFConst.class),
    E("E", UDTFConstE.class),
    PI("PI", UDTFConstPi.class),
    SIN("SIN", UDTFSin.class),
    COS("COS", UDTFCos.class),
    TAN("TAN", UDTFTan.class),
    ASIN("ASIN", UDTFAsin.class),
    ACOS("ACOS", UDTFAcos.class),
    ATAN("ATAN", UDTFAtan.class),
    SINH("SINH", UDTFSinh.class),
    COSH("COSH", UDTFCosh.class),
    TANH("TANH", UDTFTanh.class),
    DEGREES("DEGREES", UDTFDegrees.class),
    RADIANS("RADIANS", UDTFRadians.class),
    ABS("ABS", UDTFAbs.class),
    SIGN("SIGN", UDTFSign.class),
    CEIL("CEIL", UDTFCeil.class),
    FLOOR("FLOOR", UDTFFloor.class),
    ROUND("ROUND", UDTFRound.class),
    EXP("EXP", UDTFExp.class),
    LN("LN", UDTFLog.class),
    LOG10("LOG10", UDTFLog10.class),
    SQRT("SQRT", UDTFSqrt.class),
    STRING_CONTAINS("STRING_CONTAINS", UDTFContains.class),
    STRING_MATCHES("STRING_MATCHES", UDTFMatches.class),
    STRING_LENGTH("LENGTH", UDTFStrLength.class),
    STRING_LOCATE("LOCATE", UDTFStrLocate.class),
    STRING_STARTS_WITH("STARTSWITH", UDTFStartsWith.class),
    STRING_ENDS_WITH("ENDSWITH", UDTFEndsWith.class),
    STRING_CONCAT("CONCAT", UDTFConcat.class),
    STRING_SUBSTR("SUBSTR", UDTFSubstr.class),
    STRING_UPPER("UPPER", UDTFUpper.class),
    STRING_LOWER("LOWER", UDTFLower.class),
    STRING_TRIM("TRIM", UDTFTrim.class),
    STRING_CMP("STRCMP", UDTFStrCompare.class),
    CHANGE_POINTS("CHANGE_POINTS", UDTFChangePoints.class),
    DIFFERENCE("DIFFERENCE", UDTFCommonValueDifference.class),
    NON_NEGATIVE_DIFFERENCE("NON_NEGATIVE_DIFFERENCE", UDTFNonNegativeValueDifference.class),
    TIME_DIFFERENCE("TIME_DIFFERENCE", UDTFTimeDifference.class),
    DERIVATIVE("DERIVATIVE", UDTFCommonDerivative.class),
    NON_NEGATIVE_DERIVATIVE("NON_NEGATIVE_DERIVATIVE", UDTFNonNegativeDerivative.class),
    TOP_K("TOP_K", UDTFTopK.class),
    BOTTOM_K("BOTTOM_K", UDTFBottomK.class),
    CAST("CAST", UDTFCast.class),
    IN_RANGE("IN_RANGE", UDTFInRange.class),
    ON_OFF("ON_OFF", UDTFOnOff.class),
    ZERO_DURATION("ZERO_DURATION", UDTFZeroDuration.class),
    NON_ZERO_DURATION("NON_ZERO_DURATION", UDTFNonZeroDuration.class),
    ZERO_COUNT("ZERO_COUNT", UDTFZeroCount.class),
    NON_ZERO_COUNT("NON_ZERO_COUNT", UDTFNonZeroCount.class),
    EQUAL_SIZE_BUCKET_RANDOM_SAMPLE(
            "EQUAL_SIZE_BUCKET_RANDOM_SAMPLE", UDTFEqualSizeBucketRandomSample.class),
    EQUAL_SIZE_BUCKET_AGG_SAMPLE("EQUAL_SIZE_BUCKET_AGG_SAMPLE", UDTFEqualSizeBucketAggSample.class),
    EQUAL_SIZE_BUCKET_M4_SAMPLE("EQUAL_SIZE_BUCKET_M4_SAMPLE", UDTFEqualSizeBucketM4Sample.class),
    EQUAL_SIZE_BUCKET_OUTLIER_SAMPLE(
            "EQUAL_SIZE_BUCKET_OUTLIER_SAMPLE", UDTFEqualSizeBucketOutlierSample.class),
    JEXL("JEXL", UDTFJexl.class),
    MASTER_REPAIR("MASTER_REPAIR", UDTFMasterRepair.class),
    M4("M4", UDTFM4.class);

    private final String functionName;
    private final Class<?> functionClass;
    private final String className;

    BuiltinTimeSeriesGeneratingFunction(String functionName, Class<?> functionClass) {
        this.functionName = functionName;
        this.functionClass = functionClass;
        this.className = functionClass.getName();
    }

    public String getFunctionName() {
        return functionName;
    }

    public Class<?> getFunctionClass() {
        return functionClass;
    }

    public String getClassName() {
        return className;
    }
}
